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Often Cheaper Than the Excess Baggage Fee! Ship the Overflow Home—Post Office Air, Sea and EMS vs. Courier, What Can’t Go, and the Tax-Refund Order

In three lines
  • The post office offers several international services at different speeds and prices.
  • Boxes and packing material are sold at the counter.
  • Food, liquids, and batteries all carry restrictions.
International shipping from Seoul guide card image

Who this is for

  • Anyone whose suitcase stopped closing halfway through the trip
  • People unsure whether the post office or a courier suits them
  • Anyone about to ship a tax-refund purchase before showing it at departure

You’ve bought more than you planned and the case won’t shut. It happens in the second half of most trips.

Pay the excess baggage fee or ship it? Here’s the thing: depending on weight and contents, shipping is often cheaper.

“So which way do I send it?” There are two routes: the post office and private couriers. Here’s what each is good for—let’s get into it.

Air Mail for Speed, Sea Mail for Weight! Using the Post Office

✔ Several service levels at different speeds and prices
Post offices handle international shipping. Air mail for speed, sea mail when the parcel is heavy and you’re not in a hurry.

Boxes are sold at the counter in a few standard sizes, and using them keeps pricing straightforward.

You fill in a customs form listing contents and values in English. Noting these on your phone in advance speeds things up. Bring your passport.

Comparing the options
MethodSpeedBest for
Air mailFastLight and urgent
Sea mailSlowHeavy and not urgent
EMSFastWhen you need tracking
Private courierFastBulky items or hotel pickup
Extra baggageSame dayDeciding at the airport
Tax refund—Check with the shop first
Based on how international shipping services generally work
Post office counter
Several service levels at different speeds and prices. Photo: Roadgo / Wikimedia Commons · CC BY-SA 3.0

✔ This one comes first, in order. Skim “Korean Souvenirs Are 90% About Where You Buy” and the rest of this page lands better.

Pickup From Your Hotel? Using a Courier

✔ Private couriers suit bulky parcels or collection from your accommodation
They usually cost more but save effort.

Some front desks will arrange it for you, which is the easiest route of all.

Tracking tends to be more detailed and delivery dates more predictable.

Ship it or carry itWeight and urgency decideWhen the case will not closeHeavy, not urgentSea mail is cheapestTakes weeksLight and urgentAir mail or EMSTracking availableBulky or pickup neededPrivate courierHotels can often arrangeDeciding on the dayAirport courier deskCompare with excess feestheseoulog.com
Ship it or carry it — Weight and urgency decide
Packed cardboard boxes
Boxes and packing material are sold at the counter. Photo: hyolee2 / Wikimedia Commons · CC BY-SA 3.0

Liquids, Aerosols and Batteries Need Checking! What Cannot Be Sent

✔ Check the restricted list first
Liquids, aerosols, devices containing lithium batteries, fresh food. Rules vary by destination country as well.

Fermented foods such as kimchi can sometimes go if commercially sealed, but homemade versions are often refused.

Some cosmetics count as liquids. It depends on volume and packaging, so ask at the counter.

Airport baggage counter
Compare excess baggage against shipping before deciding. Photo: User:Mattes · Public domain

Mind the Tax-Refund Order! Ship or Carry?

✔ Compare the excess baggage charge against the shipping cost
Heavy items usually favour shipping; light but bulky ones favour carrying.

Goods bought under a tax refund scheme may need to be shown at departure. Shipping them ahead can void the refund, so mind the order.

Parcels take days to weeks. Don’t put anything you’ll need soon inside.

The airport also has courier desks. Worth knowing as a last resort so you can decide on the day. Before you wrestle the suitcase, do the maths.

FAQ

How long does it take?

It varies. Air mail is a few days to a week; sea mail is weeks.

Where do I get boxes?

From the post office, in standard sizes.

Can I send food?

Commercially sealed items sometimes. Check the destination country’s rules too.

Can I track it?

Depends on the service. Choose EMS or a courier if tracking matters.

Can I ship tax-refund purchases?

It can affect the refund process at departure. Mind the sequence.

Where to check

Information as of 2026-09-17 (official listings and Google Maps as shown at publication). Updated when things change.

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